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                        顺序表的操作
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                            <b>2.4.</b>
                        
                        Python中的顺序表
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                        链表
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                            <b>3.1.</b>
                        
                        单向链表
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                            <b>3.2.</b>
                        
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                        双向链表
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                        栈
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                        栈结构实现
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                        队列
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                        双端队列
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                        排序与搜索
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                        冒泡排序
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                        选择排序
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                        插入排序
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                        快速排序
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                        希尔排序
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                        归并排序
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                        <h1 id="python&#x5185;&#x7F6E;&#x7C7B;&#x578B;&#x6027;&#x80FD;&#x5206;&#x6790;">Python&#x5185;&#x7F6E;&#x7C7B;&#x578B;&#x6027;&#x80FD;&#x5206;&#x6790;</h1>
<h2 id="timeit&#x6A21;&#x5757;">timeit&#x6A21;&#x5757;</h2>
<p>timeit&#x6A21;&#x5757;&#x53EF;&#x4EE5;&#x7528;&#x6765;&#x6D4B;&#x8BD5;&#x4E00;&#x5C0F;&#x6BB5;Python&#x4EE3;&#x7801;&#x7684;&#x6267;&#x884C;&#x901F;&#x5EA6;&#x3002;</p>
<h4 id="class-timeittimerstmtpass-setuppass-timertimer-function">class timeit.Timer(stmt=&apos;pass&apos;, setup=&apos;pass&apos;, timer=&lt;timer function&gt;)</h4>
<p>Timer&#x662F;&#x6D4B;&#x91CF;&#x5C0F;&#x6BB5;&#x4EE3;&#x7801;&#x6267;&#x884C;&#x901F;&#x5EA6;&#x7684;&#x7C7B;&#x3002;</p>
<p>stmt&#x53C2;&#x6570;&#x662F;&#x8981;&#x6D4B;&#x8BD5;&#x7684;&#x4EE3;&#x7801;&#x8BED;&#x53E5;&#xFF08;statment&#xFF09;&#xFF1B;</p>
<p>setup&#x53C2;&#x6570;&#x662F;&#x8FD0;&#x884C;&#x4EE3;&#x7801;&#x65F6;&#x9700;&#x8981;&#x7684;&#x8BBE;&#x7F6E;&#xFF1B;</p>
<p>timer&#x53C2;&#x6570;&#x662F;&#x4E00;&#x4E2A;&#x5B9A;&#x65F6;&#x5668;&#x51FD;&#x6570;&#xFF0C;&#x4E0E;&#x5E73;&#x53F0;&#x6709;&#x5173;&#x3002;</p>
<h4 id="timeittimertimeitnumber1000000">timeit.Timer.timeit(number=1000000)</h4>
<p>Timer&#x7C7B;&#x4E2D;&#x6D4B;&#x8BD5;&#x8BED;&#x53E5;&#x6267;&#x884C;&#x901F;&#x5EA6;&#x7684;&#x5BF9;&#x8C61;&#x65B9;&#x6CD5;&#x3002;number&#x53C2;&#x6570;&#x662F;&#x6D4B;&#x8BD5;&#x4EE3;&#x7801;&#x65F6;&#x7684;&#x6D4B;&#x8BD5;&#x6B21;&#x6570;&#xFF0C;&#x9ED8;&#x8BA4;&#x4E3A;1000000&#x6B21;&#x3002;&#x65B9;&#x6CD5;&#x8FD4;&#x56DE;&#x6267;&#x884C;&#x4EE3;&#x7801;&#x7684;&#x5E73;&#x5747;&#x8017;&#x65F6;&#xFF0C;&#x4E00;&#x4E2A;float&#x7C7B;&#x578B;&#x7684;&#x79D2;&#x6570;&#x3002;</p>
<h2 id="list&#x7684;&#x64CD;&#x4F5C;&#x6D4B;&#x8BD5;">list&#x7684;&#x64CD;&#x4F5C;&#x6D4B;&#x8BD5;</h2>
<pre><code class="lang-python"><span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">test1</span><span class="hljs-params">()</span>:</span>
   l = []
   <span class="hljs-keyword">for</span> i <span class="hljs-keyword">in</span> range(<span class="hljs-number">1000</span>):
      l = l + [i]
<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">test2</span><span class="hljs-params">()</span>:</span>
   l = []
   <span class="hljs-keyword">for</span> i <span class="hljs-keyword">in</span> range(<span class="hljs-number">1000</span>):
      l.append(i)
<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">test3</span><span class="hljs-params">()</span>:</span>
   l = [i <span class="hljs-keyword">for</span> i <span class="hljs-keyword">in</span> range(<span class="hljs-number">1000</span>)]
<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">test4</span><span class="hljs-params">()</span>:</span>
   l = list(range(<span class="hljs-number">1000</span>))

<span class="hljs-keyword">from</span> timeit <span class="hljs-keyword">import</span> Timer

t1 = Timer(<span class="hljs-string">&quot;test1()&quot;</span>, <span class="hljs-string">&quot;from __main__ import test1&quot;</span>)
print(<span class="hljs-string">&quot;concat &quot;</span>,t1.timeit(number=<span class="hljs-number">1000</span>), <span class="hljs-string">&quot;seconds&quot;</span>)
t2 = Timer(<span class="hljs-string">&quot;test2()&quot;</span>, <span class="hljs-string">&quot;from __main__ import test2&quot;</span>)
print(<span class="hljs-string">&quot;append &quot;</span>,t2.timeit(number=<span class="hljs-number">1000</span>), <span class="hljs-string">&quot;seconds&quot;</span>)
t3 = Timer(<span class="hljs-string">&quot;test3()&quot;</span>, <span class="hljs-string">&quot;from __main__ import test3&quot;</span>)
print(<span class="hljs-string">&quot;comprehension &quot;</span>,t3.timeit(number=<span class="hljs-number">1000</span>), <span class="hljs-string">&quot;seconds&quot;</span>)
t4 = Timer(<span class="hljs-string">&quot;test4()&quot;</span>, <span class="hljs-string">&quot;from __main__ import test4&quot;</span>)
print(<span class="hljs-string">&quot;list range &quot;</span>,t4.timeit(number=<span class="hljs-number">1000</span>), <span class="hljs-string">&quot;seconds&quot;</span>)

<span class="hljs-comment"># (&apos;concat &apos;, 1.7890608310699463, &apos;seconds&apos;)</span>
<span class="hljs-comment"># (&apos;append &apos;, 0.13796091079711914, &apos;seconds&apos;)</span>
<span class="hljs-comment"># (&apos;comprehension &apos;, 0.05671119689941406, &apos;seconds&apos;)</span>
<span class="hljs-comment"># (&apos;list range &apos;, 0.014147043228149414, &apos;seconds&apos;)</span>
</code></pre>
<p><strong>pop&#x64CD;&#x4F5C;&#x6D4B;&#x8BD5;</strong></p>
<pre><code class="lang-python">x = range(<span class="hljs-number">2000000</span>)
pop_zero = Timer(<span class="hljs-string">&quot;x.pop(0)&quot;</span>,<span class="hljs-string">&quot;from __main__ import x&quot;</span>)
print(<span class="hljs-string">&quot;pop_zero &quot;</span>,pop_zero.timeit(number=<span class="hljs-number">1000</span>), <span class="hljs-string">&quot;seconds&quot;</span>)
x = range(<span class="hljs-number">2000000</span>)
pop_end = Timer(<span class="hljs-string">&quot;x.pop()&quot;</span>,<span class="hljs-string">&quot;from __main__ import x&quot;</span>)
print(<span class="hljs-string">&quot;pop_end &quot;</span>,pop_end.timeit(number=<span class="hljs-number">1000</span>), <span class="hljs-string">&quot;seconds&quot;</span>)

<span class="hljs-comment"># (&apos;pop_zero &apos;, 1.9101738929748535, &apos;seconds&apos;)</span>
<span class="hljs-comment"># (&apos;pop_end &apos;, 0.00023603439331054688, &apos;seconds&apos;)</span>
</code></pre>
<p><strong>&#x6D4B;&#x8BD5;pop&#x64CD;&#x4F5C;&#xFF1A;&#x4ECE;&#x7ED3;&#x679C;&#x53EF;&#x4EE5;&#x770B;&#x51FA;&#xFF0C;pop&#x6700;&#x540E;&#x4E00;&#x4E2A;&#x5143;&#x7D20;&#x7684;&#x6548;&#x7387;&#x8FDC;&#x8FDC;&#x9AD8;&#x4E8E;pop&#x7B2C;&#x4E00;&#x4E2A;&#x5143;&#x7D20;</strong></p>
<blockquote>
<p>&#x53EF;&#x4EE5;&#x81EA;&#x884C;&#x5C1D;&#x8BD5;&#x4E0B;list&#x7684;append(value)&#x548C;insert(0,value),&#x5373;&#x4E00;&#x4E2A;&#x540E;&#x9762;&#x63D2;&#x5165;&#x548C;&#x4E00;&#x4E2A;&#x524D;&#x9762;&#x63D2;&#x5165;&#xFF1F;&#xFF1F;&#xFF1F;</p>
</blockquote>
<h2 id="list&#x5185;&#x7F6E;&#x64CD;&#x4F5C;&#x7684;&#x65F6;&#x95F4;&#x590D;&#x6742;&#x5EA6;">list&#x5185;&#x7F6E;&#x64CD;&#x4F5C;&#x7684;&#x65F6;&#x95F4;&#x590D;&#x6742;&#x5EA6;</h2>
<p><img src="../images/list&#x64CD;&#x4F5C;.png" alt="list&#x64CD;&#x4F5C;"></p>
<h2 id="dict&#x5185;&#x7F6E;&#x64CD;&#x4F5C;&#x7684;&#x65F6;&#x95F4;&#x590D;&#x6742;&#x5EA6;">dict&#x5185;&#x7F6E;&#x64CD;&#x4F5C;&#x7684;&#x65F6;&#x95F4;&#x590D;&#x6742;&#x5EA6;</h2>
<p><img src="../images/dict&#x64CD;&#x4F5C;.png" alt="dict&#x64CD;&#x4F5C;"></p>

                    
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require(["gitbook"], function(gitbook) {
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